Microbotryum nepalense (Liro) Vánky, 1998

on Polygonum

parasite

Weak, 3-5 cm long swelling of the stem below the inflorescence, ultimately rupturing. It contains a purplish brown mass of spores. Spores 9-15 µm, finely reticulare.

host plants

Polygonaceae, monophagous

Polygonum aviculare.

distribution within Europe

(PESI, 2019).

synonyms

Melanopsichium nepalense (Liro) Zundel, 1953.

notes

Tropical species, found once in Europe (UK).

references

Redfern & Shirley (2011a).

mod 26.iii.2019